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Diffstat (limited to 'src/H5HFstat.c')
| -rw-r--r-- | src/H5HFstat.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/src/H5HFstat.c b/src/H5HFstat.c new file mode 100644 index 0000000..78be450 --- /dev/null +++ b/src/H5HFstat.c @@ -0,0 +1,117 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by the Board of Trustees of the University of Illinois. * + * All rights reserved. * + * * + * This file is part of HDF5. The full HDF5 copyright notice, including * + * terms governing use, modification, and redistribution, is contained in * + * the files COPYING and Copyright.html. COPYING can be found at the root * + * of the source code distribution tree; Copyright.html can be found at the * + * root level of an installed copy of the electronic HDF5 document set and * + * is linked from the top-level documents page. It can also be found at * + * http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have * + * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/* Programmer: Quincey Koziol <koziol@ncsa.uiuc.edu> + * Monday, March 6, 2006 + * + * Purpose: Fractal heap metadata statistics functions. + * + */ + +/****************/ +/* Module Setup */ +/****************/ + +#define H5HF_PACKAGE /*suppress error about including H5HFpkg */ + +/***********/ +/* Headers */ +/***********/ +#include "H5private.h" /* Generic Functions */ +#include "H5Eprivate.h" /* Error handling */ +#include "H5HFpkg.h" /* Fractal heaps */ + +/****************/ +/* Local Macros */ +/****************/ + + +/******************/ +/* Local Typedefs */ +/******************/ + + +/********************/ +/* Local Prototypes */ +/********************/ + + +/*********************/ +/* Package Variables */ +/*********************/ + + +/*****************************/ +/* Library Private Variables */ +/*****************************/ + + +/*******************/ +/* Local Variables */ +/*******************/ + + + +/*------------------------------------------------------------------------- + * Function: H5HF_stat_info + * + * Purpose: Retrieve metadata statistics for the fractal heap + * + * Return: Success: non-negative + * + * Failure: negative + * + * Programmer: Quincey Koziol + * Monday, March 6, 2006 + * + *------------------------------------------------------------------------- + */ +herr_t +H5HF_stat_info(H5F_t *f, hid_t dxpl_id, haddr_t fh_addr, H5HF_stat_t *stats) +{ + H5HF_t *fh = NULL; /* Pointer to the B-tree header */ + H5HF_shared_t *shared; /* Shared fractal heap information */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI_NOINIT(H5HF_stat_info) + + /* Check arguments. */ + HDassert(f); + HDassert(H5F_addr_defined(fh_addr)); + HDassert(stats); + + /* Look up the fractal heap header */ + if(NULL == (fh = H5AC_protect(f, dxpl_id, H5AC_FHEAP_HDR, fh_addr, NULL, NULL, H5AC_READ))) + HGOTO_ERROR(H5E_HEAP, H5E_CANTPROTECT, FAIL, "unable to load fractal heap header") + + /* Get the pointer to the shared fractal heap info */ + shared = H5RC_GET_OBJ(fh->shared); + HDassert(shared); + + /* Report statistics for fractal heap */ + stats->total_size = shared->total_size; + stats->man_size = shared->man_size; + stats->std_size = shared->std_size; + stats->man_free_space = shared->total_man_free; + stats->nobjs = shared->nobjs; +/* XXX: Add more metadata statistics for the heap */ + +done: + /* Release fractal heap header node */ + if(fh && H5AC_unprotect(f, dxpl_id, H5AC_FHEAP_HDR, fh_addr, fh, H5AC__NO_FLAGS_SET) < 0) + HDONE_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, FAIL, "unable to release fractal heap header info") + + FUNC_LEAVE_NOAPI(ret_value) +} /* H5HF_stat_info() */ + |